package io;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class CopyDemo2 {
    public static void main(String[] args) throws IOException {
        FileOutputStream  fos=new FileOutputStream("cs.jpg");
        FileInputStream fis =new FileInputStream("cf_cp.jpg");
        long starts=System.currentTimeMillis();
        byte[]data=new byte[1024*10];
        while (fis.read()!=-1){
            fos.write(data);
        }
        long end =System.currentTimeMillis();
        System.out.println("复制完毕！耗时："+(end-starts)+"ms");
        fos.close();
        fis.close();



    }
}
